@Test
public void replaceQueryParam() {
UriComponentsBuilder builder = UriComponentsBuilder.newInstance().queryParam("baz", "qux", 42);
builder.replaceQueryParam("baz", "xuq", 24);
UriComponents result = builder.build();
assertEquals("baz=xuq&baz=24", result.getQuery());
builder = UriComponentsBuilder.newInstance().queryParam("baz", "qux", 42);
builder.replaceQueryParam("baz");
result = builder.build();
assertNull("Query param should have been deleted", result.getQuery());
}
